Over 400 contributors paid for developing in-game items for Workshop
Valve's free-to-play hit is first game to offer full support for Oculus Rift
Developers to chronicle efforts to get Team Fortress 2 running in headsets
Beta allows customers to buy and sell in-game merchandise with their Steam Wallet
LGC12: Steam is 'an incredible growth platform', says John Clark
Popular free-to-play shooter safeguarding long-term survival of the US studio, says Robin Walker
Movie editor used to make Team Fortress 'meet the team' videos
Firefly title beaten only by Valve's Team Fortress 2
Team Fortress 2 revenues have increased 'by a factor of twelve' since going free-to-play, claims Valve programmer
Valve perplexed by extraordinary conversion rate for Team Fortress 2
Revenues mushroomed from word-of-mouth buzz, Gabe Newell claims
Valve pledges further updates for the free-to-play FPS
Team Fortress 2 and Portal 2 now allow users to exchange items
Valve engine and modding tools available free of charge following TF2 going F2P
Valve explains to Develop why it relaunched Team Fortress 2 as free-to-play forever
Newell, Backman, Wolpaw, Walker, Johnson, Holtman, Weier, Lombardi, Mitchell and Lundeen; Develop interviews star talent at the world's most important core game studio
